- Update to version 0.19.0:
  * The --incompatible_expand_directories flag automatically
    expands directories in command lines. See the design document.
  * The --loading_phase_threads flag now defaults to auto instead
    of 200, which at the moment corresponds to the number of CPUs.
  * Fixed missing debug symbols when building native code with
    --compilation_mode=dbg that target Android ARM architectures
    by adding the -g flag.
  * Added --incompatible_disable_legacy_flags_cc_toolchain_api to
    deprecate legacy cc_toolchain Starlark API for legacy CROSSTOOL
    fields. Tracking issue is #6434. See the instructions for
    migration.
  * Runfiles in cc_test: the C++ runfiles library
    (@bazel_tools//tools/cpp/runfiles) can now create Runfiles
    objects for tests. See //tools/cpp/runfiles/runfiles_src.h in
    the Bazel source tree for documentation.
  * :cc_binary link action no longer hardcodes -static-libgcc for
    toolchains that support embedded runtimes (guarded by
    --experimental_dont_emit_static_libgcc temporarily).
  * The flag --experimental_enable_cc_configuration_make_variables
    is removed, use
    --incompatible_disable_cc_configuration_make_variables instead.
  * Bazel now requires a JDK to be installed as it no longer falls
    back to the internal JDK if the --javabase flag is not set.
    Instead, Bazel now searches for a JDK within the JAVA_HOME and
    PATH environment variables. If Bazel cannot find a JDK, it will
    not be able to run Java builds.
  * LcovMerger was renamed to CoverageOutputGenerator.
  * A new coverage method for C++ rules that uses gcc with the
    --experimental_cc_coverage flag. The flag will use gcov
    instead of lcov to collect coverage information. This new
    implementation fixes some of the C++ coverage correctness
    issues ( respecting --instrumentation_filter and
    --instrument_test_targets flags ).
  * Faster clean and incremental times when invoking bazel coverage
    (small overhead compared to test runtimes instead of 2x test
    runtime), but more measurements need to be done.
  * Add --apple_compiler and --apple_grte_top options. These
    provide the equivalent of --compiler / --grte_top for the
    toolchain configured in --apple_crosstool_top.
  * There is now a same_pkg_direct_rdeps query function. See the
    query documentation for more details.
  * Propagating remote errors to the user even if
    --verbose_failures=false is set.
  * Add number of configured targets to analysis phase status
    output.
  * Bazel now checks stderr instead of stdout to decide if it is
    outputting to a terminal. --isatty is deprecated, use
    --is_stderr_atty instead.
- enabled aarch64 build and disabled armv7l build as this one fails
  due to java memory errors

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